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Re: Question regarding mandatory CBC-DESSupport

To: baldwin <baldwin@rsa.com>
Subject: Re: Question regarding mandatory CBC-DESSupport
From: "Perry E. Metzger" <perry@piermont.com>
Date: Fri, 19 Jul 1996 20:30:29 -0400
Cc: pcalhoun@usr.com, ipsec@TIS.COM
In-Reply-To: Your message of "Fri, 19 Jul 1996 15:51:22 PST." <9606198378.AA837816703@snail.rsa.com>
MMDF-Warning: Unable to confirm address in preceding line at neptune.TIS.COM
Reply-To: perry@piermont.com
Sender: ipsec-approval@neptune.tis.com

baldwin writes:
>         One trick that may help you implement both DES-CBC and
> comply with a 40 bit key length for general export is to create
> a key management system that uses the subset of DES keys that
> are used by DES-CDMF (an IBM invention).

The specs for IPSEC require the support of manual keying, which
presumably means that full 56 bit key support must be present.

.pm

References:

Re: Question regarding mandatory CBC-DESSupport

From: baldwin <baldwin@rsa.com>

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